Sony EC08BM UWP 3-Pole Locking Mini-Plug to Mini-Plug For use with new UWP models including UWP-V1, UWP-V2, UWP-V6 and URX-P2 Also compatible with original UWP models including UWP-C1, UWP-C2, UWP-C3 and UWP-X5 Locking cable prevents accidental disconnects